Home / 131,328,955.20-196,993,432.80-88,330,785.60

Finding the Fourth Proportional to 131,328,955.20, 196,993,432.80 and 88,330,785.60

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Solution

The fourth proportional to 131,328,955.20, 196,993,432.80 and 88,330,785.60 is: 132,496,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,955.20 : 196,993,432.80 = 88,330,785.60 : x
  2. Step 2: Convert to fraction form
    131,328,955.20/196,993,432.80 = 88,330,785.60/x
  3. Step 3: Cross multiply
    131,328,955.20x = 196,993,432.80 × 88,330,785.60
  4. Step 4: Simplify right side
    131,328,955.20x = 17,400,584,677,264,808
  5. Step 5: Solve for x
    x = 17,400,584,677,264,808/131,328,955.20
  6. Step 6: Final answer
    x = 132,496,178.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.